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664984-83-2

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664984-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 664984-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,9,8 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 664984-83:
(8*6)+(7*6)+(6*4)+(5*9)+(4*8)+(3*4)+(2*8)+(1*3)=222
222 % 10 = 2
So 664984-83-2 is a valid CAS Registry Number.

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